#!/bin/bash
#
# This file is part of util-linux.
#
# Copyright (C) 2013 Karel Zak <kzak@redhat.com>
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
#

TS_TOPDIR="${0%/*}/../.."
TS_DESC="GPT"

. $TS_TOPDIR/functions.sh
ts_init "$*"

ts_check_test_command "$TS_CMD_FDISK"

FDISK_CMD_CREATE_GPTLABEL="g\n"              # create GPT label
FDISK_CMD_WRITE_CLOSE="w\nq\n"               # write to image

FDISK_CMD_CHANGE_TYPE_BY_NUM="t\n1\n1\n"     # set 1st partition to EFI System
                                             # set 5th partition to Linux swap
FDISK_CMD_CHANGE_TYPE_BY_UUID="t\n5\n0657FD6D-A4AB-43C4-84E5-0933C84B4F4F\n"

FDISK_CMD_DELETE_PART="d\n2\n"               # delete 2nd partition
FDISK_CMD_CREATE_PART="n\n2\n\n\n"           # create 2nd partition

function print_layout {
	echo -ne "\n---layout----------\n" >> $TS_OUTPUT
	$TS_CMD_FDISK -l ${TEST_IMAGE_NAME} >> $TS_OUTPUT 2>> $TS_ERRLOG
	echo -ne   "-------------------\n\n" >> $TS_OUTPUT
}

ts_log "Initialize empty image"
TEST_IMAGE_NAME=$(ts_image_init 10)

ts_log "Create new GPT partition table"
echo -e "${FDISK_CMD_CREATE_GPTLABEL}${FDISK_CMD_WRITE_CLOSE}" \
	 | $TS_CMD_FDISK --noauto-pt ${TEST_IMAGE_NAME} &> /dev/null

print_layout

ts_log "Create partitions"
for i in {1..8}; do
	echo -e "n\n${i}\n\n+1M\n${FDISK_CMD_WRITE_CLOSE}" | \
	$TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null
done

ts_log "Change partition type by number"
echo -e "${FDISK_CMD_CHANGE_TYPE_BY_NUM}${FDISK_CMD_WRITE_CLOSE}" \
	 | $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null

print_layout

ts_log "Change partition type by UUID"
echo -e "${FDISK_CMD_CHANGE_TYPE_BY_UUID}${FDISK_CMD_WRITE_CLOSE}" \
	 | $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null

print_layout

ts_log "Delete partition"
echo -e "${FDISK_CMD_DELETE_PART}${FDISK_CMD_WRITE_CLOSE}" \
	 | $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null

print_layout

ts_log "Create again partition"
echo -e "${FDISK_CMD_CREATE_PART}${FDISK_CMD_WRITE_CLOSE}" \
	 | $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null

print_layout

ts_log "Corrupt primary table"
dd if=/dev/zero of=${TEST_IMAGE_NAME} bs=512 count=1 seek=1 conv=notrunc &> /dev/null
echo -e "w\n" | $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null

print_layout

ts_log "Corrupt backup table"
dd if=/dev/zero of=${TEST_IMAGE_NAME} bs=512 count=1 \
	seek=$(( 1024 * 1024 * 10 / 512 - 1)) conv=notrunc &> /dev/null
echo -e "w\n" | $TS_CMD_FDISK ${TEST_IMAGE_NAME} &> /dev/null

print_layout

ts_fdisk_clean ${TEST_IMAGE_NAME}
ts_finalize
